s390: remove compat vdso code

Remove compat vdso code, since there is hardly any compat user space
left. Still existing compat user space will have to use system calls
instead.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

13 files changed, 3 insertions, 638 deletions

diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 367a87c5d7b8..d4051e88e625 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -427,9 +427,6 @@ config COMPAT
 	  (and some other stuff like libraries and such) is needed for
 	  executing 31 bit applications.  It is safe to say "Y".
 
-config COMPAT_VDSO
-	def_bool COMPAT && !CC_IS_CLANG
-
 config SYSVIPC_COMPAT
 	def_bool y if COMPAT && SYSVIPC
 
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index 478b645b20dd..ba8556bb0fb1 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -157,7 +157,6 @@ zfcpdump:
 
 vdso_install:
 	$(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso64 $@
-	$(Q)$(MAKE) $(build)=arch/$(ARCH)/kernel/vdso32 $@
 
 archclean:
 	$(Q)$(MAKE) $(clean)=$(boot)
diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile
index 7edbbcd8228a..2b1203cf7be6 100644
--- a/arch/s390/kernel/Makefile
+++ b/arch/s390/kernel/Makefile
@@ -81,4 +81,3 @@ obj-$(CONFIG_TRACEPOINTS)	+= trace.o
 
 # vdso
 obj-y				+= vdso64/
-obj-$(CONFIG_COMPAT_VDSO)	+= vdso32/
diff --git a/arch/s390/kernel/vdso.c b/arch/s390/kernel/vdso.c
index ed1fc08ccea2..bcc9bdb39ba2 100644
--- a/arch/s390/kernel/vdso.c
+++ b/arch/s390/kernel/vdso.c
@@ -29,13 +29,6 @@
 #include <asm/vdso.h>
 #include <asm/facility.h>
 
-#ifdef CONFIG_COMPAT_VDSO
-extern char vdso32_start, vdso32_end;
-static void *vdso32_kbase = &vdso32_start;
-static unsigned int vdso32_pages;
-static struct page **vdso32_pagelist;
-#endif
-
 extern char vdso64_start, vdso64_end;
 static void *vdso64_kbase = &vdso64_start;
 static unsigned int vdso64_pages;
@@ -55,12 +48,6 @@ static vm_fault_t vdso_fault(const struct vm_special_mapping *sm,
 
 	vdso_pagelist = vdso64_pagelist;
 	vdso_pages = vdso64_pages;
-#ifdef CONFIG_COMPAT_VDSO
-	if (vma->vm_mm->context.compat_mm) {
-		vdso_pagelist = vdso32_pagelist;
-		vdso_pages = vdso32_pages;
-	}
-#endif
 
 	if (vmf->pgoff >= vdso_pages)
 		return VM_FAULT_SIGBUS;
@@ -76,10 +63,6 @@ static int vdso_mremap(const struct vm_special_mapping *sm,
 	unsigned long vdso_pages;
 
 	vdso_pages = vdso64_pages;
-#ifdef CONFIG_COMPAT_VDSO
-	if (vma->vm_mm->context.compat_mm)
-		vdso_pages = vdso32_pages;
-#endif
 
 	if ((vdso_pages << PAGE_SHIFT) != vma->vm_end - vma->vm_start)
 		return -EINVAL;
@@ -209,12 +192,10 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
 	if (!vdso_enabled)
 		return 0;
 
+	if (is_compat_task())
+		return 0;
+
 	vdso_pages = vdso64_pages;
-#ifdef CONFIG_COMPAT_VDSO
-	mm->context.compat_mm = is_compat_task();
-	if (mm->context.compat_mm)
-		vdso_pages = vdso32_pages;
-#endif
 	/*
 	 * vDSO has a problem and was disabled, just don't "enable" it for
 	 * the process
@@ -267,23 +248,6 @@ static int __init vdso_init(void)
 	int i;
 
 	vdso_init_data(vdso_data);
-#ifdef CONFIG_COMPAT_VDSO
-	/* Calculate the size of the 32 bit vDSO */
-	vdso32_pages = ((&vdso32_end - &vdso32_start
-			 + PAGE_SIZE - 1) >> PAGE_SHIFT) + 1;
-
-	/* Make sure pages are in the correct state */
-	vdso32_pagelist = kcalloc(vdso32_pages + 1, sizeof(struct page *),
-				  GFP_KERNEL);
-	BUG_ON(vdso32_pagelist == NULL);
-	for (i = 0; i < vdso32_pages - 1; i++) {
-		struct page *pg = virt_to_page(vdso32_kbase + i*PAGE_SIZE);
-		get_page(pg);
-		vdso32_pagelist[i] = pg;
-	}
-	vdso32_pagelist[vdso32_pages - 1] = virt_to_page(vdso_data);
-	vdso32_pagelist[vdso32_pages] = NULL;
-#endif
 
 	/* Calculate the size of the 64 bit vDSO */
 	vdso64_pages = ((&vdso64_end - &vdso64_start
diff --git a/arch/s390/kernel/vdso32/.gitignore b/arch/s390/kernel/vdso32/.gitignore
deleted file mode 100644
index e45fba9d0ced..000000000000
--- a/arch/s390/kernel/vdso32/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-vdso32.lds
diff --git a/arch/s390/kernel/vdso32/Makefile b/arch/s390/kernel/vdso32/Makefile
deleted file mode 100644
index aee9ffbccb54..000000000000
--- a/arch/s390/kernel/vdso32/Makefile
+++ /dev/null
@@ -1,66 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-# List of files in the vdso, has to be asm only for now
-
-KCOV_INSTRUMENT := n
-
-obj-vdso32 = gettimeofday.o clock_getres.o clock_gettime.o note.o getcpu.o
-
-# Build rules
-
-targets := $(obj-vdso32) vdso32.so vdso32.so.dbg
-obj-vdso32 := $(addprefix $(obj)/, $(obj-vdso32))
-
-KBUILD_AFLAGS += -DBUILD_VDSO
-KBUILD_CFLAGS += -DBUILD_VDSO
-
-KBUILD_AFLAGS_31 := $(filter-out -m64,$(KBUILD_AFLAGS))
-KBUILD_AFLAGS_31 += -m31 -s
-
-KBUILD_CFLAGS_31 := $(filter-out -m64,$(KBUILD_CFLAGS))
-KBUILD_CFLAGS_31 += -m31 -fPIC -shared -fno-common -fno-builtin
-KBUILD_CFLAGS_31 += -nostdlib -Wl,-soname=linux-vdso32.so.1 \
-		    -Wl,--hash-style=both
-
-$(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_31)
-$(targets:%=$(obj)/%.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_31)
-
-obj-y += vdso32_wrapper.o
-extra-y += vdso32.lds
-CPPFLAGS_vdso32.lds += -P -C -U$(ARCH)
-
-# Disable gcov profiling, ubsan and kasan for VDSO code
-GCOV_PROFILE := n
-UBSAN_SANITIZE := n
-KASAN_SANITIZE := n
-
-# Force dependency (incbin is bad)
-$(obj)/vdso32_wrapper.o : $(obj)/vdso32.so
-
-# link rule for the .so file, .lds has to be first
-$(obj)/vdso32.so.dbg: $(src)/vdso32.lds $(obj-vdso32) FORCE
-	$(call if_changed,vdso32ld)
-
-# strip rule for the .so file
-$(obj)/%.so: OBJCOPYFLAGS := -S
-$(obj)/%.so: $(obj)/%.so.dbg FORCE
-	$(call if_changed,objcopy)
-
-# assembly rules for the .S files
-$(obj-vdso32): %.o: %.S FORCE
-	$(call if_changed_dep,vdso32as)
-
-# actual build commands
-quiet_cmd_vdso32ld = VDSO32L $@
-      cmd_vdso32ld = $(CC) $(c_flags) -Wl,-T $(filter %.lds %.o,$^) -o $@
-quiet_cmd_vdso32as = VDSO32A $@
-      cmd_vdso32as = $(CC) $(a_flags) -c -o $@ $<
-
-# install commands for the unstripped file
-quiet_cmd_vdso_install = INSTALL $@
-      cmd_vdso_install = cp $(obj)/$@.dbg $(MODLIB)/vdso/$@
-
-vdso32.so: $(obj)/vdso32.so.dbg
-	@mkdir -p $(MODLIB)/vdso
-	$(call cmd,vdso_install)
-
-vdso_install: vdso32.so
diff --git a/arch/s390/kernel/vdso32/clock_getres.S b/arch/s390/kernel/vdso32/clock_getres.S
deleted file mode 100644
index eaf9cf1417f6..000000000000
--- a/arch/s390/kernel/vdso32/clock_getres.S
+++ /dev/null
@@ -1,44 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Userland implementation of clock_getres() for 32 bits processes in a
- * s390 kernel for use in the vDSO
- *
- *  Copyright IBM Corp. 2008
- *  Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
- */
-#include <asm/vdso.h>
-#include <asm/asm-offsets.h>
-#include <asm/unistd.h>
-#include <asm/dwarf.h>
-
-	.text
-	.align 4
-	.globl __kernel_clock_getres
-	.type  __kernel_clock_getres,@function
-__kernel_clock_getres:
-	CFI_STARTPROC
-	basr	%r1,0
-	la	%r1,4f-.(%r1)
-	chi	%r2,__CLOCK_REALTIME
-	je	0f
-	chi	%r2,__CLOCK_MONOTONIC
-	je	0f
-	la	%r1,5f-4f(%r1)
-	chi	%r2,__CLOCK_REALTIME_COARSE
-	je	0f
-	chi	%r2,__CLOCK_MONOTONIC_COARSE
-	jne	3f
-0:	ltr	%r3,%r3
-	jz	2f				/* res == NULL */
-1:	l	%r0,0(%r1)
-	xc	0(4,%r3),0(%r3)			/* set tp->tv_sec to zero */
-	st	%r0,4(%r3)			/* store tp->tv_usec */
-2:	lhi	%r2,0
-	br	%r14
-3:	lhi	%r1,__NR_clock_getres		/* fallback to svc */
-	svc	0
-	br	%r14
-	CFI_ENDPROC
-4:	.long	__CLOCK_REALTIME_RES
-5:	.long	__CLOCK_COARSE_RES
-	.size	__kernel_clock_getres,.-__kernel_clock_getres
diff --git a/arch/s390/kernel/vdso32/clock_gettime.S b/arch/s390/kernel/vdso32/clock_gettime.S
deleted file mode 100644
index ada5c11a16e5..000000000000
--- a/arch/s390/kernel/vdso32/clock_gettime.S
+++ /dev/null
@@ -1,179 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Userland implementation of clock_gettime() for 32 bits processes in a
- * s390 kernel for use in the vDSO
- *
- *  Copyright IBM Corp. 2008
- *  Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
- */
-#include <asm/vdso.h>
-#include <asm/asm-offsets.h>
-#include <asm/unistd.h>
-#include <asm/dwarf.h>
-#include <asm/ptrace.h>
-
-	.text
-	.align 4
-	.globl __kernel_clock_gettime
-	.type  __kernel_clock_gettime,@function
-__kernel_clock_gettime:
-	CFI_STARTPROC
-	ahi	%r15,-16
-	CFI_DEF_CFA_OFFSET STACK_FRAME_OVERHEAD+16
-	CFI_VAL_OFFSET 15, -STACK_FRAME_OVERHEAD
-	basr	%r5,0
-0:	al	%r5,21f-0b(%r5)			/* get &_vdso_data */
-	chi	%r2,__CLOCK_REALTIME_COARSE
-	je	10f
-	chi	%r2,__CLOCK_REALTIME
-	je	11f
-	chi	%r2,__CLOCK_MONOTONIC_COARSE
-	je	9f
-	chi	%r2,__CLOCK_MONOTONIC
-	jne	19f
-
-	/* CLOCK_MONOTONIC */
-1:	l	%r4,__VDSO_UPD_COUNT+4(%r5)	/* load update counter */
-	tml	%r4,0x0001			/* pending update ? loop */
-	jnz	1b
-	stcke	0(%r15)				/* Store TOD clock */
-	lm	%r0,%r1,1(%r15)
-	s	%r0,__VDSO_XTIME_STAMP(%r5)	/* TOD - cycle_last */
-	sl	%r1,__VDSO_XTIME_STAMP+4(%r5)
-	brc	3,2f
-	ahi	%r0,-1
-2:	ms	%r0,__VDSO_TK_MULT(%r5)		/*  * tk->mult */
-	lr	%r2,%r0
-	l	%r0,__VDSO_TK_MULT(%r5)
-	ltr	%r1,%r1
-	mr	%r0,%r0
-	jnm	3f
-	a	%r0,__VDSO_TK_MULT(%r5)
-3:	alr	%r0,%r2
-	al	%r0,__VDSO_WTOM_NSEC(%r5)
-	al	%r1,__VDSO_WTOM_NSEC+4(%r5)
-	brc	12,5f
-	ahi	%r0,1
-5:	l	%r2,__VDSO_TK_SHIFT(%r5)	/* Timekeeper shift */
-	srdl	%r0,0(%r2)			/*  >> tk->shift */
-	l	%r2,__VDSO_WTOM_SEC+4(%r5)
-	cl	%r4,__VDSO_UPD_COUNT+4(%r5)	/* check update counter */
-	jne	1b
-	basr	%r5,0
-6:	ltr	%r0,%r0
-	jnz	7f
-	cl	%r1,20f-6b(%r5)
-	jl	8f
-7:	ahi	%r2,1
-	sl	%r1,20f-6b(%r5)
-	brc	3,6b
-	ahi	%r0,-1
-	j	6b
-8:	st	%r2,0(%r3)			/* store tp->tv_sec */
-	st	%r1,4(%r3)			/* store tp->tv_nsec */
-	lhi	%r2,0
-	ahi	%r15,16
-	CFI_DEF_CFA_OFFSET STACK_FRAME_OVERHEAD
-	CFI_RESTORE 15
-	br	%r14
-
-	/* CLOCK_MONOTONIC_COARSE */
-	CFI_DEF_CFA_OFFSET STACK_FRAME_OVERHEAD+16
-	CFI_VAL_OFFSET 15, -STACK_FRAME_OVERHEAD
-9:	l	%r4,__VDSO_UPD_COUNT+4(%r5)	/* load update counter */
-	tml	%r4,0x0001			/* pending update ? loop */
-	jnz	9b
-	l	%r2,__VDSO_WTOM_CRS_SEC+4(%r5)
-	l	%r1,__VDSO_WTOM_CRS_NSEC+4(%r5)
-	cl	%r4,__VDSO_UPD_COUNT+4(%r5)	/* check update counter */
-	jne	9b
-	j	8b
-
-	/* CLOCK_REALTIME_COARSE */
-10:	l	%r4,__VDSO_UPD_COUNT+4(%r5)	/* load update counter */
-	tml	%r4,0x0001			/* pending update ? loop */
-	jnz	10b
-	l	%r2,__VDSO_XTIME_CRS_SEC+4(%r5)
-	l	%r1,__VDSO_XTIME_CRS_NSEC+4(%r5)
-	cl	%r4,__VDSO_UPD_COUNT+4(%r5)	/* check update counter */
-	jne	10b
-	j	17f
-
-	/* CLOCK_REALTIME */
-11:	l	%r4,__VDSO_UPD_COUNT+4(%r5)	/* load update counter */
-	tml	%r4,0x0001			/* pending update ? loop */
-	jnz	11b
-	stcke	0(%r15)				/* Store TOD clock */
-	lm	%r0,%r1,__VDSO_TS_END(%r5)	/* TOD steering end time */
-	s	%r0,1(%r15)			/* no - ts_steering_end */
-	sl	%r1,5(%r15)
-	brc	3,22f
-	ahi	%r0,-1
-22:	ltr	%r0,%r0				/* past end of steering? */
-	jm	24f
-	srdl	%r0,15				/* 1 per 2^16 */
-	tm	__VDSO_TS_DIR+3(%r5),0x01	/* steering direction? */
-	jz	23f
-	lcr	%r0,%r0				/* negative TOD offset */
-	lcr	%r1,%r1
-	je	23f
-	ahi	%r0,-1
-23:	a	%r0,1(%r15)			/* add TOD timestamp */
-	al	%r1,5(%r15)
-	brc	12,25f
-	ahi	%r0,1
-	j	25f
-24:	lm	%r0,%r1,1(%r15)			/* load TOD timestamp */
-25:	s	%r0,__VDSO_XTIME_STAMP(%r5)	/* TOD - cycle_last */
-	sl	%r1,__VDSO_XTIME_STAMP+4(%r5)
-	brc	3,12f
-	ahi	%r0,-1
-12:	ms	%r0,__VDSO_TK_MULT(%r5)		/*  * tk->mult */
-	lr	%r2,%r0
-	l	%r0,__VDSO_TK_MULT(%r5)
-	ltr	%r1,%r1
-	mr	%r0,%r0
-	jnm	13f
-	a	%r0,__VDSO_TK_MULT(%r5)
-13:	alr	%r0,%r2
-	al	%r0,__VDSO_XTIME_NSEC(%r5)	/*  + tk->xtime_nsec */
-	al	%r1,__VDSO_XTIME_NSEC+4(%r5)
-	brc	12,14f
-	ahi	%r0,1
-14:	l	%r2,__VDSO_TK_SHIFT(%r5)	/* Timekeeper shift */
-	srdl	%r0,0(%r2)			/*  >> tk->shift */
-	l	%r2,__VDSO_XTIME_SEC+4(%r5)
-	cl	%r4,__VDSO_UPD_COUNT+4(%r5)	/* check update counter */
-	jne	11b
-	basr	%r5,0
-15:	ltr	%r0,%r0
-	jnz	16f
-	cl	%r1,20f-15b(%r5)
-	jl	17f
-16:	ahi	%r2,1
-	sl	%r1,20f-15b(%r5)
-	brc	3,15b
-	ahi	%r0,-1
-	j	15b
-17:	st	%r2,0(%r3)			/* store tp->tv_sec */
-	st	%r1,4(%r3)			/* store tp->tv_nsec */
-	lhi	%r2,0
-	ahi	%r15,16
-	CFI_DEF_CFA_OFFSET STACK_FRAME_OVERHEAD
-	CFI_RESTORE 15
-	br	%r14
-
-	/* Fallback to system call */
-	CFI_DEF_CFA_OFFSET STACK_FRAME_OVERHEAD+16
-	CFI_VAL_OFFSET 15, -STACK_FRAME_OVERHEAD
-19:	lhi	%r1,__NR_clock_gettime
-	svc	0
-	ahi	%r15,16
-	CFI_DEF_CFA_OFFSET STACK_FRAME_OVERHEAD
-	CFI_RESTORE 15
-	br	%r14
-	CFI_ENDPROC
-
-20:	.long	1000000000
-21:	.long	_vdso_data - 0b
-	.size	__kernel_clock_gettime,.-__kernel_clock_gettime
diff --git a/arch/s390/kernel/vdso32/getcpu.S b/arch/s390/kernel/vdso32/getcpu.S
deleted file mode 100644
index dc79e169f0ad..000000000000
--- a/arch/s390/kernel/vdso32/getcpu.S
+++ /dev/null
@@ -1,31 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Userland implementation of getcpu() for 32 bits processes in a
- * s390 kernel for use in the vDSO
- *
- *  Copyright IBM Corp. 2016
- *  Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
- */
-#include <asm/vdso.h>
-#include <asm/asm-offsets.h>
-#include <asm/dwarf.h>
-
-	.text
-	.align 4
-	.globl __kernel_getcpu
-	.type  __kernel_getcpu,@function
-__kernel_getcpu:
-	CFI_STARTPROC
-	sacf	256
-	lm	%r4,%r5,__VDSO_GETCPU_VAL(%r0)
-	sacf	0
-	ltr	%r2,%r2
-	jz	2f
-	st	%r5,0(%r2)
-2:	ltr	%r3,%r3
-	jz	3f
-	st	%r4,0(%r3)
-3:	lhi	%r2,0
-	br	%r14
-	CFI_ENDPROC
-	.size	__kernel_getcpu,.-__kernel_getcpu
diff --git a/arch/s390/kernel/vdso32/gettimeofday.S b/arch/s390/kernel/vdso32/gettimeofday.S
deleted file mode 100644
index b23063fbc892..000000000000
--- a/arch/s390/kernel/vdso32/gettimeofday.S
+++ /dev/null
@@ -1,103 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * Userland implementation of gettimeofday() for 32 bits processes in a
- * s390 kernel for use in the vDSO
- *
- *  Copyright IBM Corp. 2008
- *  Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
- */
-#include <asm/vdso.h>
-#include <asm/asm-offsets.h>
-#include <asm/unistd.h>
-#include <asm/dwarf.h>
-#include <asm/ptrace.h>
-
-	.text
-	.align 4
-	.globl __kernel_gettimeofday
-	.type  __kernel_gettimeofday,@function
-__kernel_gettimeofday:
-	CFI_STARTPROC
-	ahi	%r15,-16
-	CFI_ADJUST_CFA_OFFSET 16
-	CFI_VAL_OFFSET 15, -STACK_FRAME_OVERHEAD
-	basr	%r5,0
-0:	al	%r5,13f-0b(%r5)			/* get &_vdso_data */
-1:	ltr	%r3,%r3				/* check if tz is NULL */
-	je	2f
-	mvc	0(8,%r3),__VDSO_TIMEZONE(%r5)
-2:	ltr	%r2,%r2				/* check if tv is NULL */
-	je	10f
-	l	%r4,__VDSO_UPD_COUNT+4(%r5)	/* load update counter */
-	tml	%r4,0x0001			/* pending update ? loop */
-	jnz	1b
-	stcke	0(%r15)				/* Store TOD clock */
-	lm	%r0,%r1,__VDSO_TS_END(%r5)	/* TOD steering end time */
-	s	%r0,1(%r15)
-	sl	%r1,5(%r15)
-	brc	3,14f
-	ahi	%r0,-1
-14:	ltr	%r0,%r0				/* past end of steering? */
-	jm	16f
-	srdl	%r0,15				/* 1 per 2^16 */
-	tm	__VDSO_TS_DIR+3(%r5),0x01	/* steering direction? */
-	jz	15f
-	lcr	%r0,%r0				/* negative TOD offset */
-	lcr	%r1,%r1
-	je	15f
-	ahi	%r0,-1
-15:	a	%r0,1(%r15)			/* add TOD timestamp */
-	al	%r1,5(%r15)
-	brc	12,17f
-	ahi	%r0,1
-	j	17f
-16:	lm	%r0,%r1,1(%r15)			/* load TOD timestamp */
-17:	s	%r0,__VDSO_XTIME_STAMP(%r5)	/* TOD - cycle_last */
-	sl	%r1,__VDSO_XTIME_STAMP+4(%r5)
-	brc	3,3f
-	ahi	%r0,-1
-3:	ms	%r0,__VDSO_TK_MULT(%r5)		/*  * tk->mult */
-	st	%r0,0(%r15)
-	l	%r0,__VDSO_TK_MULT(%r5)
-	ltr	%r1,%r1
-	mr	%r0,%r0
-	jnm	4f
-	a	%r0,__VDSO_TK_MULT(%r5)
-4:	al	%r0,0(%r15)
-	al	%r0,__VDSO_XTIME_NSEC(%r5)	/*  + xtime */
-	al	%r1,__VDSO_XTIME_NSEC+4(%r5)
-	brc	12,5f
-	ahi	%r0,1
-5:	mvc	0(4,%r15),__VDSO_XTIME_SEC+4(%r5)
-	cl	%r4,__VDSO_UPD_COUNT+4(%r5)	/* check update counter */
-	jne	1b
-	l	%r4,__VDSO_TK_SHIFT(%r5)	/* Timekeeper shift */
-	srdl	%r0,0(%r4)			/*  >> tk->shift */
-	l	%r4,0(%r15)			/* get tv_sec from stack */
-	basr	%r5,0
-6:	ltr	%r0,%r0
-	jnz	7f
-	cl	%r1,11f-6b(%r5)
-	jl	8f
-7:	ahi	%r4,1
-	sl	%r1,11f-6b(%r5)
-	brc	3,6b
-	ahi	%r0,-1
-	j	6b
-8:	st	%r4,0(%r2)			/* store tv->tv_sec */
-	ltr	%r1,%r1
-	m	%r0,12f-6b(%r5)
-	jnm	9f
-	al	%r0,12f-6b(%r5)
-9:	srl	%r0,6
-	st	%r0,4(%r2)			/* store tv->tv_usec */
-10:	slr	%r2,%r2
-	ahi	%r15,16
-	CFI_ADJUST_CFA_OFFSET -16
-	CFI_RESTORE 15
-	br	%r14
-	CFI_ENDPROC
-11:	.long	1000000000
-12:	.long	274877907
-13:	.long	_vdso_data - 0b
-	.size	__kernel_gettimeofday,.-__kernel_gettimeofday
diff --git a/arch/s390/kernel/vdso32/note.S b/arch/s390/kernel/vdso32/note.S
deleted file mode 100644
index db19d0680a0a..000000000000
--- a/arch/s390/kernel/vdso32/note.S
+++ /dev/null
@@ -1,13 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * This supplies .note.* sections to go into the PT_NOTE inside the vDSO text.
- * Here we can supply some information useful to userland.
- */
-
-#include <linux/uts.h>
-#include <linux/version.h>
-#include <linux/elfnote.h>
-
-ELFNOTE_START(Linux, 0, "a")
-	.long LINUX_VERSION_CODE
-ELFNOTE_END
diff --git a/arch/s390/kernel/vdso32/vdso32.lds.S b/arch/s390/kernel/vdso32/vdso32.lds.S
deleted file mode 100644
index 721c4954cb6e..000000000000
--- a/arch/s390/kernel/vdso32/vdso32.lds.S
+++ /dev/null
@@ -1,142 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * This is the infamous ld script for the 32 bits vdso
- * library
- */
-
-#include <asm/page.h>
-#include <asm/vdso.h>
-
-OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390")
-OUTPUT_ARCH(s390:31-bit)
-ENTRY(_start)
-
-SECTIONS
-{
-	. = VDSO32_LBASE + SIZEOF_HEADERS;
-
-	.hash		: { *(.hash) }			:text
-	.gnu.hash	: { *(.gnu.hash) }
-	.dynsym		: { *(.dynsym) }
-	.dynstr		: { *(.dynstr) }
-	.gnu.version	: { *(.gnu.version) }
-	.gnu.version_d	: { *(.gnu.version_d) }
-	.gnu.version_r	: { *(.gnu.version_r) }
-
-	.note		: { *(.note.*) }		:text	:note
-
-	. = ALIGN(16);
-	.text		: {
-		*(.text .stub .text.* .gnu.linkonce.t.*)
-	} :text
-	PROVIDE(__etext = .);
-	PROVIDE(_etext = .);
-	PROVIDE(etext = .);
-
-	/*
-	 * Other stuff is appended to the text segment:
-	 */
-	.rodata		: { *(.rodata .rodata.* .gnu.linkonce.r.*) }
-	.rodata1	: { *(.rodata1) }
-
-	.dynamic	: { *(.dynamic) }		:text	:dynamic
-
-	.eh_frame_hdr	: { *(.eh_frame_hdr) }		:text	:eh_frame_hdr
-	.eh_frame	: { KEEP (*(.eh_frame)) }	:text
-	.gcc_except_table : { *(.gcc_except_table .gcc_except_table.*) }
-
-	.rela.dyn ALIGN(8) : { *(.rela.dyn) }
-	.got ALIGN(8)	: { *(.got .toc) }
-
-	_end = .;
-	PROVIDE(end = .);
-
-	/*
-	 * Stabs debugging sections are here too.
-	 */
-	.stab	       0 : { *(.stab) }
-	.stabstr       0 : { *(.stabstr) }
-	.stab.excl     0 : { *(.stab.excl) }
-	.stab.exclstr  0 : { *(.stab.exclstr) }
-	.stab.index    0 : { *(.stab.index) }
-	.stab.indexstr 0 : { *(.stab.indexstr) }
-	.comment       0 : { *(.comment) }
-
-	/*
-	 * DWARF debug sections.
-	 * Symbols in the DWARF debugging sections are relative to the
-	 * beginning of the section so we begin them at 0.
-	 */
-	/* DWARF 1 */
-	.debug		0 : { *(.debug) }
-	.line		0 : { *(.line) }
-	/* GNU DWARF 1 extensions */
-	.debug_srcinfo	0 : { *(.debug_srcinfo) }
-	.debug_sfnames	0 : { *(.debug_sfnames) }
-	/* DWARF 1.1 and DWARF 2 */
-	.debug_aranges	0 : { *(.debug_aranges) }
-	.debug_pubnames 0 : { *(.debug_pubnames) }
-	/* DWARF 2 */
-	.debug_info	0 : { *(.debug_info .gnu.linkonce.wi.*) }
-	.debug_abbrev	0 : { *(.debug_abbrev) }
-	.debug_line	0 : { *(.debug_line) }
-	.debug_frame	0 : { *(.debug_frame) }
-	.debug_str	0 : { *(.debug_str) }
-	.debug_loc	0 : { *(.debug_loc) }
-	.debug_macinfo	0 : { *(.debug_macinfo) }
-	/* SGI/MIPS DWARF 2 extensions */
-	.debug_weaknames 0 : { *(.debug_weaknames) }
-	.debug_funcnames 0 : { *(.debug_funcnames) }
-	.debug_typenames 0 : { *(.debug_typenames) }
-	.debug_varnames  0 : { *(.debug_varnames) }
-	/* DWARF 3 */
-	.debug_pubtypes 0 : { *(.debug_pubtypes) }
-	.debug_ranges	0 : { *(.debug_ranges) }
-	.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
-
-	. = ALIGN(PAGE_SIZE);
-	PROVIDE(_vdso_data = .);
-
-	/DISCARD/	: {
-		*(.note.GNU-stack)
-		*(.branch_lt)
-		*(.data .data.* .gnu.linkonce.d.* .sdata*)
-		*(.bss .sbss .dynbss .dynsbss)
-	}
-}
-
-/*
- * Very old versions of ld do not recognize this name token; use the constant.
- */
-#define PT_GNU_EH_FRAME	0x6474e550
-
-/*
- * We must supply the ELF program headers explicitly to get just one
- * PT_LOAD segment, and set the flags explicitly to make segments read-only.
- */
-PHDRS
-{
-	text		PT_LOAD FILEHDR PHDRS FLAGS(5);	/* PF_R|PF_X */
-	dynamic		PT_DYNAMIC FLAGS(4);		/* PF_R */
-	note		PT_NOTE FLAGS(4);		/* PF_R */
-	eh_frame_hdr	PT_GNU_EH_FRAME;
-}
-
-/*
- * This controls what symbols we export from the DSO.
- */
-VERSION
-{
-	VDSO_VERSION_STRING {
-	global:
-		/*
-		 * Has to be there for the kernel to find
-		 */
-		__kernel_gettimeofday;
-		__kernel_clock_gettime;
-		__kernel_clock_getres;
-		__kernel_getcpu;
-
-	local: *;
-	};
-}
diff --git a/arch/s390/kernel/vdso32/vdso32_wrapper.S b/arch/s390/kernel/vdso32/vdso32_wrapper.S
deleted file mode 100644
index de2fb930471a..000000000000
--- a/arch/s390/kernel/vdso32/vdso32_wrapper.S
+++ /dev/null
@@ -1,15 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#include <linux/init.h>
-#include <linux/linkage.h>
-#include <asm/page.h>
-
-	__PAGE_ALIGNED_DATA
-
-	.globl vdso32_start, vdso32_end
-	.balign PAGE_SIZE
-vdso32_start:
-	.incbin "arch/s390/kernel/vdso32/vdso32.so"
-	.balign PAGE_SIZE
-vdso32_end:
-
-	.previous